The general equation for the electric and the magnetic field as per the electromagnetic theory is, \E\ = Emax. cos(kx – or) %3D B = Bmax. Cos (kx –or) The energy per unit volume in an electric field is. 1 UE 2 The energy per unit volume in a magnetic field is, 1 B? UM 2 Ho Also, the energy density and the total energy associated with the magnetic field and the 1 (E×B). Ho electric field are equal. The rate with the energy flows in an EM wave is S = - In the positive x direction, a plane EM wave varies sinusoidally at 99 MHz and the peak value of the electric field is 2 mV/m and it is moving in the ±y direction. The average density in the radiation is, (a) 1.75 ×10-14 J/m³ (b) 1.5 J/m? (с) 30x10-13 J/m> (d) 0.755 x10-14 J/m³

The general equation for the electric and the magnetic field as per the electromagnetic theory is, \E\ = Emax. cos(kx – or) %3D B = Bmax. Cos (kx –or) The energy per unit volume in an electric field is. 1 UE 2 The energy per unit volume in a magnetic field is, 1 B? UM 2 Ho Also, the energy density and the total energy associated with the magnetic field and the 1 (E×B). Ho electric field are equal. The rate with the energy flows in an EM wave is S = - In the positive x direction, a plane EM wave varies sinusoidally at 99 MHz and the peak value of the electric field is 2 mV/m and it is moving in the ±y direction. The average density in the radiation is, (a) 1.75 ×10-14 J/m³ (b) 1.5 J/m? (с) 30x10-13 J/m> (d) 0.755 x10-14 J/m³

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

The general equation for the electric and the magnetic field as per the electromagnetic
theory is,
\E\ = Emax.
cos(kx – or)
%3D
B = Bmax. Cos (kx –or)
The energy per unit volume in an electric field is.
1
UE
2
The energy per unit volume in a magnetic field is,
1 B?
UM
2 Ho
Also, the energy density and the total energy associated with the magnetic field and the
1
(E×B).
Ho
electric field are equal. The rate with the energy flows in an EM wave is S = -
In the positive x direction, a plane EM wave varies sinusoidally at 99 MHz and the peak
value of the electric field is 2 mV/m and it is moving in the ±y direction. The average
density in the radiation is,
(a) 1.75 ×10-14 J/m³
(b) 1.5 J/m?
(с) 30x10-13 J/m>
(d) 0.755 x10-14 J/m³

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